短文填空 先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。所填单词必须在答题卡 标有题号的横线上完整写出。
Think“rock, paper, scissors（剪刀）”is a children’s game? Think again.
Top players a_______the world came together in Toronto to compete(竞争)for a 10,000-Canadian-dollar p_______and the title of World Champion(世界冠军).More than 500 players, i_______national champions(全国冠军)from Australia,Norway and New Zealand, attended.
The game is often used to make decisions and solve some s______problems.Players hold their fists(拳头) closed and c______to three before making a fist(rock),a flat hand (paper)or two fingers(scissors).Paper covers rock,scissors cut paper and rock b____scissors.
Players have d_______opinions about the history of the game,but it is commonly b______to have been played for centuries in Japan. The Paper Scissors Stone Club opened in England in 1842 and players could play together there. In 1918, the n________ was changed to World RPS Club and its headquarters (总部) moved from London to Toronto.
The world championship started in 2002,and is held o_______ every year.